.admin-layout {
    min-height: 100vh;
  }
  
  .admin-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 24px;
    background: linear-gradient(90deg, #1890ff 0%, #096dd9 100%);
    box-shadow: 0 2px 8px rgba(0,0,0,0.15);
    position: fixed;
    width: 100%;
    z-index: 1000;
    height: 64px;
  }
  
  .admin-logo {
    font-size: 20px;
    font-weight: bold;
    color: white;
    display: flex;
    align-items: center;
    gap: 8px;
  }
  
  .admin-header-right {
    display: flex;
    align-items: center;
    gap: 16px;
    color: white;
  }
  
  .admin-header-right .ant-btn-link {
    color: white !important;
  }
  
  .admin-header-right .ant-avatar {
    background-color: #f0f2f5;
    color: #1890ff;
  }
  
  /* 主要内容区布局 */
  .admin-layout > .ant-layout {
    margin-top: 64px;
    min-height: calc(100vh - 64px);
  }
  
  /* 右侧内容区自适应布局 */
  .admin-main-layout {
    margin-left: 200px;
    transition: margin-left 0.2s;
  }
  
  .admin-main-layout.collapsed {
    margin-left: 80px;
  }
  
  .admin-content {
    padding: 24px;
    background: #f0f2f5;
    min-height: calc(100vh - 64px);
  }
  
  /* 侧边栏样式 */
  .admin-sider {
    height: calc(100vh - 64px);
    position: fixed;
    left: 0;
    top: 64px;
    z-index: 99;
    box-shadow: 2px 0 8px rgba(0,0,0,0.08);
    background: white !important;
  }
  
  .admin-menu {
    height: 100%;
    border-right: none;
  }
  
  .admin-menu .ant-menu-item {
    margin: 8px 16px;
    width: calc(100% - 32px);
    border-radius: 4px;
  }
  
  .admin-menu .ant-menu-item:hover {
    background: #e6f7ff;
  }
  
  .admin-menu .ant-menu-item-selected {
    background: #1890ff !important;
    color: white;
  }
  
  .admin-breadcrumb {
    margin-bottom: 16px;
  }
  
  /* 欢迎卡片样式 */
  .welcome-card {
    margin-bottom: 24px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  }
  
  .welcome-card h2 {
    margin-bottom: 8px;
    color: #1890ff;
    font-size: 24px;
  }
  
  .welcome-card p {
    color: #666;
    margin-bottom: 0;
  }
  
  /* 统计卡片样式 */
  .stats-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
    margin-bottom: 24px;
  }
  
  .stat-card {
    background: white;
    padding: 24px;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
    transition: all 0.3s ease;
  }
  
  .stat-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 4px 12px rgba(0,0,0,0.12);
  }
  
  .stat-card .ant-statistic-title {
    color: #666;
    font-size: 16px;
    margin-bottom: 16px;
  }
  
  .stat-card .ant-statistic-content {
    color: #1890ff;
    font-size: 28px;
  }
  
  .stat-card .ant-statistic-content-prefix {
    margin-right: 8px;
    font-size: 24px;
  }
  
  /* 表格样式 */
  .table-card {
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.08);
  }
  
  .ant-table-thead > tr > th {
    background: #f8f9fa;
    color: #333;
  }
  
  .ant-table-tbody > tr:hover > td {
    background: #e6f7ff;
  }
  
  /* 响应式设计 */
  @media (max-width: 768px) {
    .admin-main-layout {
      margin-left: 0 !important;
    }
  
    .admin-content {
      padding: 16px;
    }
  
    .admin-sider {
      display: none;
    }
    
    .stats-cards {
      grid-template-columns: 1fr;
    }
    
    .admin-header {
      padding: 0 16px;
    }
    
    .admin-logo {
      font-size: 18px;
    }
  
    .welcome-card h2 {
      font-size: 20px;
    }
  } 